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Science lesson plan · 6th grade (Year 7 in England) · 30 minutes

Human organ systems and how they work together

Human body and health

CCSS NGSS.MS-LS1-3England: KS3 Biology: Cells and organisation

Objective and success criteria

Students will: Human organ systems and how they work together.

  • I can answer questions on today's skill on my own, without help.
  • I can explain each step and say why it works.
  • I can check my answer and spot a mistake.

Before and after

Needs first: Major organs and their jobs

Leads to: Trace a meal through the digestive system

Materials: Stopwatches, Body diagrams, Mini whiteboards, A diagram or short video clip of the idea, Printed student sheet (below).

Warm-up · 4 min

  • Quick retrieval from earlier learning (Major organs and their jobs). Students answer on mini whiteboards.
  • Show answers together and note who needs support in the main task.
  1. Which organ stores and churns food after a meal? (heart / brain / kidneys / stomach) → stomachPrompt: Is the job about blood, air, thinking, waste or food?
  2. Organs: which statement is true? (The lungs pump blood. / The heart is in the stomach. / Food goes into the lungs to be digested. / Skin is the body's largest organ.) → Skin is the body's largest organ.Prompt: Picture where each organ sits in the body.
  3. Which organ pumps blood around the body? (heart / stomach / brain / lungs) → heartPrompt: Is the job about blood, air, thinking, waste or food?

Hook · 3 min

  • Ask everyone to find their pulse, then jump for 30 seconds and find it again.
  • Share the objective: Human organ systems and how they work together. Read the success criteria together.

I do: model it · 7 min

  • Work through the example out loud, saying why you do each step, not just what you do.
  • Example: Which organ system is this: brain, spinal cord and nerves?
  • Step 1: The brain, spinal cord and nerves carry electrical signals.
  • Step 2: So the answer is: nervous system
  • Answer: nervous system
  • Pause after each step and ask a student to say what comes next.

We do: guided practice · 6 min

  • Do these together. Students try each step on whiteboards before you reveal it.
  • Use the hints as prompts rather than giving the answer.
  1. Which organ system is this: swaps oxygen and carbon dioxide with the air? (nervous system / respiratory system / skeletal and muscular systems / digestive system) → respiratory systemPrompt: Think about the main job: transport, gas exchange, digestion, control, movement or removing waste.
  2. After a salty meal, your kidneys produce less urine. Which system is responding? (digestive system only / respiratory system / excretory (urinary) system / skeletal system) → excretory (urinary) systemPrompt: Which organs filter the blood?

You do: independent practice · 7 min

  • Students work on the student sheet. Circulate and check the first two answers of every student early.
  • Students who finish: write a question of their own for a partner, with the answer.

The 6 questions are on the student sheet below, with answers in the key.

Exit ticket · 3 min

  • Two questions on their own. Sort answers into got it / nearly / not yet to plan the next lesson.
  1. Which organ system is this: kidneys and bladder? (respiratory system / excretory (urinary) system / skeletal and muscular systems / circulatory system) → excretory (urinary) systemPrompt: Think about the main job: transport, gas exchange, digestion, control, movement or removing waste.
  2. After a salty meal, your kidneys produce less urine. Which system is responding? (digestive system only / excretory (urinary) system / skeletal system / respiratory system) → excretory (urinary) systemPrompt: Which organs filter the blood?

Watch out for

  • Everyday meanings of words getting in the way of the science meaning: define key words explicitly.
  • Remembering facts without the reason: ask "why?" and "what is the evidence?"

Support and stretch

Support

  • Review first: Major organs and their jobs.
  • Use concrete materials: stopwatches.
  • Give the first step of each question, or a partly worked example to finish.
  • Pair with a confident partner for the guided practice.

Stretch

  • Move on to: Trace a meal through the digestive system.
  • Explain a common mistake in writing and how to fix it.
  • Write a word problem that uses today's skill, then solve a partner's.

Homework and more practice

Free online practice with hints and printable worksheets for this skill: eurekami.com/science/grade-6.

Free lesson plan from eurekami.com/lesson-plan-builder

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Human organ systems and how they work together

Name

Date

Score/ 6

  1. Question 1

    Organ systems: which statement is NOT true?

    • A. The heart is part of the circulatory system.
    • B. The lungs are part of the digestive system.
    • C. The brain and spinal cord form the central nervous system.
    • D. Organ systems work together to keep the body alive.

  2. Question 2

    Which organ system is this: swaps oxygen and carbon dioxide with the air?

    • A. excretory (urinary) system
    • B. nervous system
    • C. digestive system
    • D. respiratory system

  3. Question 3

    During a race, your heart beats faster and you breathe deeper. Which systems are working together?

    • A. digestive and excretory
    • B. circulatory and respiratory
    • C. skeletal and excretory
    • D. digestive and nervous only

  4. Question 4

    Which organ system is this: brain, spinal cord and nerves?

    • A. circulatory system
    • B. skeletal and muscular systems
    • C. nervous system
    • D. digestive system

  5. Question 5

    You touch a hot pan and pull your hand away. Which systems are involved?

    • A. nervous and muscular
    • B. excretory and circulatory
    • C. respiratory only
    • D. digestive and respiratory

  6. Question 6

    Which organ system is this: lungs, trachea and bronchi?

    • A. respiratory system
    • B. nervous system
    • C. skeletal and muscular systems
    • D. excretory (urinary) system

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Answer key: Human organ systems and how they work together

  1. 1. B. The lungs are part of the digestive system.

  2. 2. D. respiratory system

  3. 3. B. circulatory and respiratory

  4. 4. C. nervous system

  5. 5. A. nervous and muscular

  6. 6. A. respiratory system